Creatinine excretion in children and the usefulness of creatinine equivalents in amino acid chromatography.
D000596:Amino Acids / Q000652:urine*; D002675:Child, Preschool; D002845:Chromatography; D003404:Creatinine / Q000652:urine*; D006801:Humans; D007223:Infant; D009584:Nitrogen / Q000652:urine*
D000596:Amino Acids; D003404:Creatinine; D009584:Nitrogen